vim.o.foldcolumn = '1' -- '0' is not bad
vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
vim.o.foldlevelstart = 99
vim.o.foldenable = true

vim.keymap.set('n', 'zR', require('ufo').openAllFolds, { desc = "Open all folds"})
vim.keymap.set('n', 'zM', require('ufo').closeAllFolds, { desc = "Close all folds"})

require('ufo').setup({
    provider_selector = function(bufnr, filetype, buftype)
        return {'treesitter', 'indent'}
    end
})